Configure mouse in Dragonfly BSD - VirtualBox Guest

How do you configure the mouse in Dragonfly BSD installed as VirtualBox Guest?

• Host: Ubuntu 17.10 running VirtualBox 5.1.30
• Guest: Dragonfly BSD version 5.0.2

I configured the VirtualBox VM for DrangonFly as follows.

• General\Name: DragonFlyBSD
• General\Operating System: FreeBSD (64-bit)
• System\Base Memory: 1024 MB
• System\Processors: 2
• System\Pointing Device: PS/2 Mouse
• Display\Video Memory: 32 MB
• Display\Acceleration: 3D
• Audio\Host Driver: ALSA Audio Driver
• Audio\Controller: Intel HD Audio
• USB\Enable USB Controller: Checked
• USB\USB 2.0 (EHCI) Controller: Checked

When I created my user account I set the "other group memberships" field to wheel, video.

I installed xorg as follows, following the instructions found on the DragonFly BSD X page.

pkg install xorg

When I run startx, the mouse cursor is visible but no matter what I do, the mouse cursor does not move.

Running Xorg -configure made no difference .

I cannot find any information on how to install VirtualBox OSE Additions on DragonFly BSD.

The following command yields no results.

pkg search virtualbox-ose-additions

Does anyone have information on how to resolve this issue?

Thanks.

I left out a step. When I added the following line to /etc/rc.conf, the mouse started working.

moused_enable="YES"